Hey I don't know the answer but what you can do is open another tab and go back to your lesson the answer might be in there.
Answer:
Microtubules
Explanation:
These filament-like structures are a major component of the cytoskeleton of the cell and help is maintain asymmetrical cell shape. They are composed of tubulin molecules arranged to form a 'hollow straw' attached to the cell membrane end to end . The contraction and lengthening of these microtubules are controlled by the addition of removal these of tubulin molecules to vary its length.
Answer:
During the final scene, lightning strikes the Pride Land igniting a fire that burns out the existing dead brush and trees. This fire is symbolic of the end of an era of an unstable ecosystem. As time passes, pride rock is transformed back into a healthy climax community.
The answer to your question is <span>nitrogen.
*Brainiest answer plzzz</span>